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Any tips on getting air bubbles out of a tankless loop...

post #1 of 5
Thread Starter 
My mITX loop is just a pump, block, and rad. I don't have the room for a tank. The rad has a fill port I'm using to let air bubbles out. I can see them wiz by through the fill port, so my technique is to start and stop it, each time letting a few bubbles out. It's working somewhat, but I'm hoping there are better ways.
post #2 of 5
well the way you set it up when you fill it is key iirc. According to the swifttech fill guide for their tankless system, it helps to set up the whole thing outside the case, then after its filled, you kind of dangle the whole thing and shake it then top it off several times.

another option is to use a temporary tank, which can be as simple as a paper cup.

Edited by bombastinator - 10/26/13 at 2:13pm
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post #3 of 5
Put a quick-disconnect on the fill port, and connect an open tube with a funnel to that with the other half of the disconnect pair. Then disconnect it (carefully!) when the air is all bled out.

If there's space, a bit of tubing extending from the input port before the disconnect would make things a bit easier. Also, it's not a bad idea to leave just a little bit of air in the loop to allow for heat expansion, although some air will naturally get back in due to evaporation.
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post #4 of 5
Thread Starter 
Sounds like the idea it to incorporate a tank into the loop to remove the bubbles, then via 'quick disconnects', remove the tank, leaving only the rad,pump, and block.
I like the temporary tank approach. Wish I had considered it from the start. I'll have to study and measure everything to see I can make room for the quick disconnects.

I'm putting it all together out side the case which allows me to twist and turn the whole set up to coax bubbles into the rad. It took some time, but worked out well. I don't see any more bubbles but every so often I'll hear them. Other than that its silent, only the MCP35x running.
post #5 of 5
curious about this build. got pix?
New gaming rig
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CPUMotherboardGraphicsRAM
4770k some mid range asrock. extreme 4 maybe? 2x gigabyte windforce 7950 2 x 8 corsair balistix sport 
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crucial ct960 LG blu-ray used venamous x win 8.1 pro 
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Crossover 30Q5 PRO 30" 2560X1600  cheapest piece of crud I could find antec HCG 750 some thermaltake microcenter blue-light-special... 
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crucial ct960 LG blu-ray used venamous x win 8.1 pro 
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Crossover 30Q5 PRO 30" 2560X1600  cheapest piece of crud I could find antec HCG 750 some thermaltake microcenter blue-light-special... 
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came with the cheapass keyboard who cares? some $30 no name 2+sub speakers I bought at mic... 
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